Portable computer



FIG. 1 is a plan view of a portable computer in accordance with my newdesign shown in a closed disposition;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a front perspective view showing the computer in an openedoperative disposition.

The ornamental design for a portable computer, as shown and described. 